mirrored listing x402 eip155:8453

El Niño event composites from El Niño Market Watch: 14 historical events (1951–2026) acros

El Niño event composites from El Niño Market Watch: 14 historical events (1951–2026) across 21 commodities, indexed-to-100 price paths around event onset with median/p25/p75 envelopes — the computed asset behind the dashboard charts.

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Claim this listing
100000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-06
updated

Provider

trading-perps.vercel.app · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xbD356968846829e32983Bb4aBE2d0DD29F2c2F7B",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "100000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {},
        "type": "http"
      },
      "output": {
        "example": {
          "sugar": {
            "events": [
              {
                "path": [
                  96.3,
                  100,
                  108.4
                ],
                "year": 2015
              }
            ],
            "median": [
              95.1,
              100,
              107.9
            ],
            "p25": [
              90.2,
              100,
              102.4
            ],
            "p75": [
              99.8,
              100,
              112.1
            ],
            "window_months": [
              -12,
              0,
              6
            ]
          }
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {},
              "required": [],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "additionalProperties": {
                "properties": {
                  "events": {
                    "type": "array"
                  },
                  "median": {
                    "type": "array"
                  },
                  "p25": {
                    "type": "array"
                  },
                  "p75": {
                    "type": "array"
                  },
                  "window_months": {
                    "items": {
                      "type": "number"
                    },
                    "type": "array"
                  }
                },
                "type": "object"
              },
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://trading-perps.vercel.app/api/composites"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://trading-perps.vercel.app/api/composites");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://trading-perps.vercel.app/api/composites")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/5064.json, and this resource appears in /discovery/resources and /discovery/search.